【判断题】【消耗次数：1】
钢筋弯折的弯弧内直径规定：335MPa级、400MPa级带肋钢筋，不应小于钢筋直径的4倍
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正确
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错误
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【判断题】
对一批牌号为Q235的钢筋进行抽检，钢板厚度为20mm，得到各试样的屈服强度检测值分别为：227.5MPa、220.3MPa、222.0MPa、225.8MPa、229.3MPa；钢筋拉断后伸长率分别为：21%、20%、23%、27%、31%。该批钢筋为带肋钢筋。（）
①
正确
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错误
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